#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<cwindow.h>
#define High 30
#define Width 45
void gotoxy(int x, int y)
{
	HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
	COORD pos;
	pos.X = x;
	pos.Y = y;
	SetConsoleCursorPosition(handle, pos);
}
void startup()
{
	ball_x = 0;
	ball_y = Width / 2;
	ball_vx = 1;
	ball_vy = 1;
	canvas[ball_x][ball_y] = 1;
}
void show()
{
	gotoxy(0, 0);
	int i, j;
	for (i = 0; i <= High; i++)
	{
		for (j = 0; j <= Width; j++)
		{
			if (canvas[i][j] == 0)
				printf(" ");
			else if (canvas[i][j] == 1)
				printf("0");
		}
		printf("/n");
	}
	for (j = 0; j < Width; j++)
		printf("-");
}
void updateWithoutInput()
{
	canvas[ball_x][ball_y] = 0;

	ball_x = ball_x + ball_vx;
	ball_y = ball_y + ball_vy;

	if ((ball_x == 0) || (ball_x == High - 1))
		ball_vx = -ball_vx;
	if ((ball_y == 0) || (ball_y == Width - 1))
		ball_vy = -ball_vy;

	canvas[ball_x][ball_y] = 1;

	sleep(50);
}
void updateWithInput()
{

}
int main()
{
	startup();
	while (1)
	{
		show();
		updateWithoutInput();
		updateWithInput();

	}
	return 0;
}